Miles between Thornton, CO and Garden City, ID

There are
809 mi
from Thornton, CO to Garden City, ID

That's the driving distance. It would take 13 hours 31 mins to go from Thornton, Colorado to Garden City, Idaho.

The flight distance (direct flight from Thornton, CO to Garden City, ID) is 635.37 mi.

809 mi = 1,301.68 kms